[faz] fix extraction and add support for Perform Group embeds(fixes #14714)

youtube_dl/extractor/extractors.py

@@ -789,6 +789,7 @@ from .patreon import PatreonIE
 from .pbs import PBSIE
 from .pearvideo import PearVideoIE
 from .people import PeopleIE
+from .performgroup import PerformGroupIE
 from .periscope import (
     PeriscopeIE,
     PeriscopeUserIE,